Tire N location. The low order 4 bits represent a position number, counting left to right when facing in the direction of normal vehicle travel (forward). The high order 4 bits (MSB) represent a position number, counting front to back on the vehicle

To the "Unique ID" field you need to enter IMEI without the leading 0.

You can connect Garmin device to communicate with driver.
Garmin firmware version should be 5.40 or higher.
Ruptela FM Pro3 firmware version should be 03.00.01 or higher.

You can also download an example of object configuration file for Ruptela FM Pro3 to be used in Wialon GPS tracking software. When creating an object, import this configuration file by selecting "Import from File" option. This way you will create a pre-configured object with some sensors. Do not forget to specify the unique Id of Your device.